micro
Help!
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| which of the following structures is NOT found in all bacteria | show 🗑
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| show | all bacteria contain cytoplasm, ribosomes, a plasma membrane, and a nucleoid. Almost all bacteria have cell walls
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| show | fimbriae may occur either at the poles of a bacterial cell, or can be evenly distributed over the entire surface.
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| which of these is true regarding plasmids? | show 🗑
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| what is the mechanism of action of penicillin in a prokaryotic cell? | show 🗑
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| Tumbles occur when | show 🗑
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| show | Monotrichous
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| pentrichous bacteria make a run when? | show 🗑
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| Which of the following types of bacterial cell walls would have flagella located at only one end of the cell? | show 🗑
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| which of the following statements about bacterial flagella is true? | show 🗑
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| taxis are | show 🗑
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| show | positive phototaxis
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| as bacterium approaches a food source, one would expect | show 🗑
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| show | the receptors sense the stimulus and send signals to the flagella.
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| show | a bacterium moving towards a food source.
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| show | spirochetes
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| which of the following statements accurately describes a difference between gram positive and gram negative cells? | show 🗑
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| show | In gram negative bacteria, the thin layer of peptidoglycan is surrounded by an external membrane made out of phospholipids (LPS) and proteins
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| which statement accurately describes the structure of the plasma membrane? | show 🗑
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| show | if a cell is in a hypertonic solution, water leaves the cell in an attempt to balance to concentration of solutes and reach equilibrium.
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| show | 1.spore septum begins to isolate newly replicated DNA and a small portion of cytoplasm. 2. plasma membrane starts to surround DNA. 3. spore septum surrounds isolated portion forming forespore. 4. peptidoglycan layer forms between membranes. 5 spore coat f
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| which type of solution would cause a bacterium with a weak or damaged cell wall to burst as water moves into the cell? | show 🗑
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| why is ATP necessary for active transport? | show 🗑
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| show | symport
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| show | Uniport and symport
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| show | both the circle and the square.
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| which type of the following molecules would be blocked by a cell membrane? | show 🗑
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| show | by passive transport directly across the membrane
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| what is the hallmark of passive transport across the cell membranes? | show 🗑
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| a positively charged sodium ion | show 🗑
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| show | it powers the diffusion of water across the cell membrane
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| show | they have both hydrophilic and hydrophobic regions
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| integral proteins are mostly involved in | show 🗑
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| how does water enter and exit a cell? | show 🗑
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| show | is a type of peripheral protein above that can be used as a receptor or in enzymatic functions
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| show | the concentration gradient drives the movement
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| once equilibrium is reached | show 🗑
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| show | positively charged hydrogen ions.
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amberhomsany